Kemnitz' conjecture revisited. - Svetoslav Savchev; Fang Chen (Discret. Math., 2005)

A note on maximal progression-free sets. - Svetoslav Savchev; Fang Chen (Discret. Math., 2006)

Long zero-free sequences in finite cyclic groups. - Svetoslav Savchev; Fang Chen (Discret. Math., 2007)

Long n-zero-free sequences in finite cyclic groups. - Svetoslav Savchev; Fang Chen (Discret. Math., 2008)

Long Minimal Zero-Sum Sequences in the Group C2⊕ C2k. - Svetoslav Savchev; Fang Chen (Integers, 2012)

Long Minimal Zero-Sum Sequences in the Groups C2r-1 ⊕ C2k. - Fang Chen; Svetoslav Savchev (Integers, 2014)